From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 318F7C65C20 for ; Mon, 8 Oct 2018 14:48:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 012A8205C9 for ; Mon, 8 Oct 2018 14:48:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 012A8205C9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726665AbeJHWAi (ORCPT ); Mon, 8 Oct 2018 18:00:38 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:60783 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726159AbeJHWAh (ORCPT ); Mon, 8 Oct 2018 18:00:37 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 3E24CC7AB1BB4; Mon, 8 Oct 2018 22:48:29 +0800 (CST) Received: from [10.151.23.176] (10.151.23.176) by smtp.huawei.com (10.3.19.202) with Microsoft SMTP Server (TLS) id 14.3.399.0; Mon, 8 Oct 2018 22:48:22 +0800 Subject: Re: [PATCH v2] staging: erofs: add SPDX identifer To: Greg Kroah-Hartman CC: , , Chao Yu , Loic Tourlonias , References: <20181008141409.2624-1-loic.tourlonias.lkml@gmail.com> <20181008142228.GB13359@kroah.com> <20181008144335.GA15968@kroah.com> From: Gao Xiang Message-ID: Date: Mon, 8 Oct 2018 22:48:18 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <20181008144335.GA15968@kroah.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.151.23.176] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Greg, On 2018/10/8 22:43, Greg Kroah-Hartman wrote: > On Mon, Oct 08, 2018 at 10:36:39PM +0800, Gao Xiang wrote: >> Hi Greg, >> >> On 2018/10/8 22:22, Greg Kroah-Hartman wrote: >>> Why delete that line? >>> >>> But wait, why do we even have this file at all? What's wrong with the >>> lib/lz4/ code that we have in the kernel today? Shouldn't the code >>> using these files be moved over to use the lib/ code instead and this >>> file be deleted? >> >> EROFS uses customized LZ4 decompression code for now (which has been offically >> supported in lz4 1.8.3, I have updated it in >> https://ozlabs.org/~akpm/mmots/broken-out/lib-lz4-update-lz4-decompressor-module.patch >> if it is shown up in Linux 4.20, I will remove all the customized LZ4 decompression code), >> but lib/ code lz4def.h isn't export to include/. > > It should show up in 4.20, so you should be able to remove this all > then. Yes, that is correct. I will fix it in 4.20 if the updated LZ4 is already there. :) Thanks, Gao Xiang > > thanks, > > greg k-h >